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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Snow

27°F

-3°C

Humidity 85%
Wind Speed SE 8 mph
Barometer 29.55 in (1002.3 mb)
Dewpoint 23°F (-5°C)
Visibility 9.00 mi
Wind Chill19°F (-7°C)
Last update 10 Dec 9:56 am EST
Extended Forecast for

Mongaup Valley NY

Winter Weather Advisory December 10, 10:41am until December 11, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 10:41am until December 11, 01:00am

    NOW until 1:00am Thu

    Winter Weather Advisory

  • Today

    High: 35 °F

    Chance Snow
    then
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow, mainly between 11pm and midnight. Mostly cloudy, with a low around 18. Southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: A slight chance of snow showers after 1pm. Mostly sunny, with a high near 26. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 26 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 1am. Partly cloudy, with a low around 15. West wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Partly sunny, with a high near 29. West wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.

    Low: 11 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.

    Low: 16 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Today
Snow, possibly mixed with rain before 3pm, then snow between 3pm and 4pm, then rain and snow likely after 4pm. High near 35. South wind 6 to 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.
Tonight
A chance of rain and snow, mainly between 11pm and midnight. Mostly cloudy, with a low around 18. Southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow showers after 1pm. Mostly sunny, with a high near 26. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow showers before 1am. Partly cloudy, with a low around 15. West wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 29. West wind 6 to 9 mph, with gusts as high as 21 mph.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Partly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.67°N 74.79°W (Elev. 1175 ft)
Last Update:
9:31 am EST Dec 10, 2025
Forecast Valid:
10am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation